const express = require('express');

const app = express();

app.all('*', function (req, res, next) {
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Headers', 'X-Requested-With');
  res.header('Access-Control-Allow-Methods', 'PUT,POST,GET,DELETE,OPTIONS');
  res.header('X-Powered-By', ' 3.2.1');
  res.header('Content-Type', 'application/json;charset=utf-8');
  next();
});

app.get('/', (req, res, next) => {
  res.send('ok');
});

app.listen(9000, () => {
  console.log('express server is running in port 9000.');
});
